mirror of
https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-10-31 08:08:51 +01:00
Fixed MTP to work with TWRP
This commit is contained in:
awab228
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
549
drivers/media/usb/gspca/jeilinj.c
Normal file
549
drivers/media/usb/gspca/jeilinj.c
Normal file
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@ -0,0 +1,549 @@
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/*
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* Jeilinj subdriver
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*
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* Supports some Jeilin dual-mode cameras which use bulk transport and
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* download raw JPEG data.
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*
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* Copyright (C) 2009 Theodore Kilgore
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*
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* Sportscam DV15 support and control settings are
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* Copyright (C) 2011 Patrice Chotard
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#define MODULE_NAME "jeilinj"
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#include <linux/slab.h>
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#include "gspca.h"
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#include "jpeg.h"
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MODULE_AUTHOR("Theodore Kilgore <kilgota@auburn.edu>");
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MODULE_DESCRIPTION("GSPCA/JEILINJ USB Camera Driver");
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MODULE_LICENSE("GPL");
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/* Default timeouts, in ms */
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#define JEILINJ_CMD_TIMEOUT 500
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#define JEILINJ_CMD_DELAY 160
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#define JEILINJ_DATA_TIMEOUT 1000
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/* Maximum transfer size to use. */
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#define JEILINJ_MAX_TRANSFER 0x200
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#define FRAME_HEADER_LEN 0x10
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#define FRAME_START 0xFFFFFFFF
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enum {
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SAKAR_57379,
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SPORTSCAM_DV15,
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};
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#define CAMQUALITY_MIN 0 /* highest cam quality */
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#define CAMQUALITY_MAX 97 /* lowest cam quality */
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/* Structure to hold all of our device specific stuff */
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struct sd {
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struct gspca_dev gspca_dev; /* !! must be the first item */
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int blocks_left;
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const struct v4l2_pix_format *cap_mode;
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struct v4l2_ctrl *freq;
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struct v4l2_ctrl *jpegqual;
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/* Driver stuff */
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u8 type;
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u8 quality; /* image quality */
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#define QUALITY_MIN 35
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#define QUALITY_MAX 85
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#define QUALITY_DEF 85
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u8 jpeg_hdr[JPEG_HDR_SZ];
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};
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struct jlj_command {
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unsigned char instruction[2];
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unsigned char ack_wanted;
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unsigned char delay;
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};
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/* AFAICT these cameras will only do 320x240. */
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static struct v4l2_pix_format jlj_mode[] = {
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{ 320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
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.bytesperline = 320,
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.sizeimage = 320 * 240,
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.colorspace = V4L2_COLORSPACE_JPEG,
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.priv = 0},
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{ 640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
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.bytesperline = 640,
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.sizeimage = 640 * 480,
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.colorspace = V4L2_COLORSPACE_JPEG,
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.priv = 0}
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};
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/*
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* cam uses endpoint 0x03 to send commands, 0x84 for read commands,
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* and 0x82 for bulk transfer.
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*/
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/* All commands are two bytes only */
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static void jlj_write2(struct gspca_dev *gspca_dev, unsigned char *command)
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{
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int retval;
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if (gspca_dev->usb_err < 0)
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return;
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memcpy(gspca_dev->usb_buf, command, 2);
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retval = usb_bulk_msg(gspca_dev->dev,
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usb_sndbulkpipe(gspca_dev->dev, 3),
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gspca_dev->usb_buf, 2, NULL, 500);
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if (retval < 0) {
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pr_err("command write [%02x] error %d\n",
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gspca_dev->usb_buf[0], retval);
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gspca_dev->usb_err = retval;
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}
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}
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/* Responses are one byte only */
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static void jlj_read1(struct gspca_dev *gspca_dev, unsigned char *response)
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{
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int retval;
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if (gspca_dev->usb_err < 0)
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return;
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retval = usb_bulk_msg(gspca_dev->dev,
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usb_rcvbulkpipe(gspca_dev->dev, 0x84),
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gspca_dev->usb_buf, 1, NULL, 500);
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*response = gspca_dev->usb_buf[0];
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if (retval < 0) {
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pr_err("read command [%02x] error %d\n",
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gspca_dev->usb_buf[0], retval);
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gspca_dev->usb_err = retval;
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}
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}
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static void setfreq(struct gspca_dev *gspca_dev, s32 val)
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{
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u8 freq_commands[][2] = {
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{0x71, 0x80},
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{0x70, 0x07}
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};
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freq_commands[0][1] |= val >> 1;
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jlj_write2(gspca_dev, freq_commands[0]);
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jlj_write2(gspca_dev, freq_commands[1]);
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}
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static void setcamquality(struct gspca_dev *gspca_dev, s32 val)
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{
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u8 quality_commands[][2] = {
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{0x71, 0x1E},
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{0x70, 0x06}
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};
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u8 camquality;
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/* adapt camera quality from jpeg quality */
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camquality = ((QUALITY_MAX - val) * CAMQUALITY_MAX)
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/ (QUALITY_MAX - QUALITY_MIN);
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quality_commands[0][1] += camquality;
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jlj_write2(gspca_dev, quality_commands[0]);
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jlj_write2(gspca_dev, quality_commands[1]);
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}
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static void setautogain(struct gspca_dev *gspca_dev, s32 val)
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{
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u8 autogain_commands[][2] = {
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{0x94, 0x02},
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{0xcf, 0x00}
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};
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autogain_commands[1][1] = val << 4;
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jlj_write2(gspca_dev, autogain_commands[0]);
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jlj_write2(gspca_dev, autogain_commands[1]);
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}
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static void setred(struct gspca_dev *gspca_dev, s32 val)
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{
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u8 setred_commands[][2] = {
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{0x94, 0x02},
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{0xe6, 0x00}
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};
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setred_commands[1][1] = val;
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jlj_write2(gspca_dev, setred_commands[0]);
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jlj_write2(gspca_dev, setred_commands[1]);
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}
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static void setgreen(struct gspca_dev *gspca_dev, s32 val)
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{
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u8 setgreen_commands[][2] = {
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{0x94, 0x02},
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{0xe7, 0x00}
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};
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setgreen_commands[1][1] = val;
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jlj_write2(gspca_dev, setgreen_commands[0]);
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jlj_write2(gspca_dev, setgreen_commands[1]);
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}
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static void setblue(struct gspca_dev *gspca_dev, s32 val)
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{
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u8 setblue_commands[][2] = {
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{0x94, 0x02},
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{0xe9, 0x00}
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};
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setblue_commands[1][1] = val;
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jlj_write2(gspca_dev, setblue_commands[0]);
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jlj_write2(gspca_dev, setblue_commands[1]);
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}
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static int jlj_start(struct gspca_dev *gspca_dev)
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{
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int i;
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int start_commands_size;
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u8 response = 0xff;
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struct sd *sd = (struct sd *) gspca_dev;
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struct jlj_command start_commands[] = {
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{{0x71, 0x81}, 0, 0},
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{{0x70, 0x05}, 0, JEILINJ_CMD_DELAY},
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{{0x95, 0x70}, 1, 0},
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{{0x71, 0x81 - gspca_dev->curr_mode}, 0, 0},
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{{0x70, 0x04}, 0, JEILINJ_CMD_DELAY},
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{{0x95, 0x70}, 1, 0},
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{{0x71, 0x00}, 0, 0}, /* start streaming ??*/
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{{0x70, 0x08}, 0, JEILINJ_CMD_DELAY},
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{{0x95, 0x70}, 1, 0},
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#define SPORTSCAM_DV15_CMD_SIZE 9
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{{0x94, 0x02}, 0, 0},
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{{0xde, 0x24}, 0, 0},
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{{0x94, 0x02}, 0, 0},
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{{0xdd, 0xf0}, 0, 0},
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{{0x94, 0x02}, 0, 0},
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{{0xe3, 0x2c}, 0, 0},
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{{0x94, 0x02}, 0, 0},
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{{0xe4, 0x00}, 0, 0},
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{{0x94, 0x02}, 0, 0},
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{{0xe5, 0x00}, 0, 0},
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{{0x94, 0x02}, 0, 0},
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{{0xe6, 0x2c}, 0, 0},
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{{0x94, 0x03}, 0, 0},
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{{0xaa, 0x00}, 0, 0}
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};
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sd->blocks_left = 0;
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/* Under Windows, USB spy shows that only the 9 first start
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* commands are used for SPORTSCAM_DV15 webcam
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*/
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if (sd->type == SPORTSCAM_DV15)
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start_commands_size = SPORTSCAM_DV15_CMD_SIZE;
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else
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start_commands_size = ARRAY_SIZE(start_commands);
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for (i = 0; i < start_commands_size; i++) {
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jlj_write2(gspca_dev, start_commands[i].instruction);
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if (start_commands[i].delay)
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msleep(start_commands[i].delay);
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if (start_commands[i].ack_wanted)
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jlj_read1(gspca_dev, &response);
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}
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setcamquality(gspca_dev, v4l2_ctrl_g_ctrl(sd->jpegqual));
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msleep(2);
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setfreq(gspca_dev, v4l2_ctrl_g_ctrl(sd->freq));
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if (gspca_dev->usb_err < 0)
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PERR("Start streaming command failed");
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return gspca_dev->usb_err;
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}
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static void sd_pkt_scan(struct gspca_dev *gspca_dev,
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u8 *data, int len)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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int packet_type;
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||||
u32 header_marker;
|
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|
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PDEBUG(D_STREAM, "Got %d bytes out of %d for Block 0",
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||||
len, JEILINJ_MAX_TRANSFER);
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if (len != JEILINJ_MAX_TRANSFER) {
|
||||
PDEBUG(D_PACK, "bad length");
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||||
goto discard;
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||||
}
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/* check if it's start of frame */
|
||||
header_marker = ((u32 *)data)[0];
|
||||
if (header_marker == FRAME_START) {
|
||||
sd->blocks_left = data[0x0a] - 1;
|
||||
PDEBUG(D_STREAM, "blocks_left = 0x%x", sd->blocks_left);
|
||||
/* Start a new frame, and add the JPEG header, first thing */
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||||
gspca_frame_add(gspca_dev, FIRST_PACKET,
|
||||
sd->jpeg_hdr, JPEG_HDR_SZ);
|
||||
/* Toss line 0 of data block 0, keep the rest. */
|
||||
gspca_frame_add(gspca_dev, INTER_PACKET,
|
||||
data + FRAME_HEADER_LEN,
|
||||
JEILINJ_MAX_TRANSFER - FRAME_HEADER_LEN);
|
||||
} else if (sd->blocks_left > 0) {
|
||||
PDEBUG(D_STREAM, "%d blocks remaining for frame",
|
||||
sd->blocks_left);
|
||||
sd->blocks_left -= 1;
|
||||
if (sd->blocks_left == 0)
|
||||
packet_type = LAST_PACKET;
|
||||
else
|
||||
packet_type = INTER_PACKET;
|
||||
gspca_frame_add(gspca_dev, packet_type,
|
||||
data, JEILINJ_MAX_TRANSFER);
|
||||
} else
|
||||
goto discard;
|
||||
return;
|
||||
discard:
|
||||
/* Discard data until a new frame starts. */
|
||||
gspca_dev->last_packet_type = DISCARD_PACKET;
|
||||
}
|
||||
|
||||
/* This function is called at probe time just before sd_init */
|
||||
static int sd_config(struct gspca_dev *gspca_dev,
|
||||
const struct usb_device_id *id)
|
||||
{
|
||||
struct cam *cam = &gspca_dev->cam;
|
||||
struct sd *dev = (struct sd *) gspca_dev;
|
||||
|
||||
dev->type = id->driver_info;
|
||||
dev->quality = QUALITY_DEF;
|
||||
|
||||
cam->cam_mode = jlj_mode;
|
||||
cam->nmodes = ARRAY_SIZE(jlj_mode);
|
||||
cam->bulk = 1;
|
||||
cam->bulk_nurbs = 1;
|
||||
cam->bulk_size = JEILINJ_MAX_TRANSFER;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void sd_stopN(struct gspca_dev *gspca_dev)
|
||||
{
|
||||
int i;
|
||||
u8 *buf;
|
||||
static u8 stop_commands[][2] = {
|
||||
{0x71, 0x00},
|
||||
{0x70, 0x09},
|
||||
{0x71, 0x80},
|
||||
{0x70, 0x05}
|
||||
};
|
||||
|
||||
for (;;) {
|
||||
/* get the image remaining blocks */
|
||||
usb_bulk_msg(gspca_dev->dev,
|
||||
gspca_dev->urb[0]->pipe,
|
||||
gspca_dev->urb[0]->transfer_buffer,
|
||||
JEILINJ_MAX_TRANSFER, NULL,
|
||||
JEILINJ_DATA_TIMEOUT);
|
||||
|
||||
/* search for 0xff 0xd9 (EOF for JPEG) */
|
||||
i = 0;
|
||||
buf = gspca_dev->urb[0]->transfer_buffer;
|
||||
while ((i < (JEILINJ_MAX_TRANSFER - 1)) &&
|
||||
((buf[i] != 0xff) || (buf[i+1] != 0xd9)))
|
||||
i++;
|
||||
|
||||
if (i != (JEILINJ_MAX_TRANSFER - 1))
|
||||
/* last remaining block found */
|
||||
break;
|
||||
}
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(stop_commands); i++)
|
||||
jlj_write2(gspca_dev, stop_commands[i]);
|
||||
}
|
||||
|
||||
/* this function is called at probe and resume time */
|
||||
static int sd_init(struct gspca_dev *gspca_dev)
|
||||
{
|
||||
return gspca_dev->usb_err;
|
||||
}
|
||||
|
||||
/* Set up for getting frames. */
|
||||
static int sd_start(struct gspca_dev *gspca_dev)
|
||||
{
|
||||
struct sd *dev = (struct sd *) gspca_dev;
|
||||
|
||||
/* create the JPEG header */
|
||||
jpeg_define(dev->jpeg_hdr, gspca_dev->pixfmt.height,
|
||||
gspca_dev->pixfmt.width,
|
||||
0x21); /* JPEG 422 */
|
||||
jpeg_set_qual(dev->jpeg_hdr, dev->quality);
|
||||
PDEBUG(D_STREAM, "Start streaming at %dx%d",
|
||||
gspca_dev->pixfmt.height, gspca_dev->pixfmt.width);
|
||||
jlj_start(gspca_dev);
|
||||
return gspca_dev->usb_err;
|
||||
}
|
||||
|
||||
/* Table of supported USB devices */
|
||||
static const struct usb_device_id device_table[] = {
|
||||
{USB_DEVICE(0x0979, 0x0280), .driver_info = SAKAR_57379},
|
||||
{USB_DEVICE(0x0979, 0x0270), .driver_info = SPORTSCAM_DV15},
|
||||
{}
|
||||
};
|
||||
|
||||
MODULE_DEVICE_TABLE(usb, device_table);
|
||||
|
||||
static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
|
||||
{
|
||||
struct gspca_dev *gspca_dev =
|
||||
container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
|
||||
struct sd *sd = (struct sd *)gspca_dev;
|
||||
|
||||
gspca_dev->usb_err = 0;
|
||||
|
||||
if (!gspca_dev->streaming)
|
||||
return 0;
|
||||
|
||||
switch (ctrl->id) {
|
||||
case V4L2_CID_POWER_LINE_FREQUENCY:
|
||||
setfreq(gspca_dev, ctrl->val);
|
||||
break;
|
||||
case V4L2_CID_RED_BALANCE:
|
||||
setred(gspca_dev, ctrl->val);
|
||||
break;
|
||||
case V4L2_CID_GAIN:
|
||||
setgreen(gspca_dev, ctrl->val);
|
||||
break;
|
||||
case V4L2_CID_BLUE_BALANCE:
|
||||
setblue(gspca_dev, ctrl->val);
|
||||
break;
|
||||
case V4L2_CID_AUTOGAIN:
|
||||
setautogain(gspca_dev, ctrl->val);
|
||||
break;
|
||||
case V4L2_CID_JPEG_COMPRESSION_QUALITY:
|
||||
jpeg_set_qual(sd->jpeg_hdr, ctrl->val);
|
||||
setcamquality(gspca_dev, ctrl->val);
|
||||
break;
|
||||
}
|
||||
return gspca_dev->usb_err;
|
||||
}
|
||||
|
||||
static const struct v4l2_ctrl_ops sd_ctrl_ops = {
|
||||
.s_ctrl = sd_s_ctrl,
|
||||
};
|
||||
|
||||
static int sd_init_controls(struct gspca_dev *gspca_dev)
|
||||
{
|
||||
struct sd *sd = (struct sd *)gspca_dev;
|
||||
struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
|
||||
static const struct v4l2_ctrl_config custom_autogain = {
|
||||
.ops = &sd_ctrl_ops,
|
||||
.id = V4L2_CID_AUTOGAIN,
|
||||
.type = V4L2_CTRL_TYPE_INTEGER,
|
||||
.name = "Automatic Gain (and Exposure)",
|
||||
.max = 3,
|
||||
.step = 1,
|
||||
.def = 0,
|
||||
};
|
||||
|
||||
gspca_dev->vdev.ctrl_handler = hdl;
|
||||
v4l2_ctrl_handler_init(hdl, 6);
|
||||
sd->freq = v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_POWER_LINE_FREQUENCY,
|
||||
V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 1,
|
||||
V4L2_CID_POWER_LINE_FREQUENCY_60HZ);
|
||||
v4l2_ctrl_new_custom(hdl, &custom_autogain, NULL);
|
||||
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_RED_BALANCE, 0, 3, 1, 2);
|
||||
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_GAIN, 0, 3, 1, 2);
|
||||
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_BLUE_BALANCE, 0, 3, 1, 2);
|
||||
sd->jpegqual = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_JPEG_COMPRESSION_QUALITY,
|
||||
QUALITY_MIN, QUALITY_MAX, 1, QUALITY_DEF);
|
||||
|
||||
if (hdl->error) {
|
||||
pr_err("Could not initialize controls\n");
|
||||
return hdl->error;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sd_set_jcomp(struct gspca_dev *gspca_dev,
|
||||
const struct v4l2_jpegcompression *jcomp)
|
||||
{
|
||||
struct sd *sd = (struct sd *) gspca_dev;
|
||||
|
||||
v4l2_ctrl_s_ctrl(sd->jpegqual, jcomp->quality);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sd_get_jcomp(struct gspca_dev *gspca_dev,
|
||||
struct v4l2_jpegcompression *jcomp)
|
||||
{
|
||||
struct sd *sd = (struct sd *) gspca_dev;
|
||||
|
||||
memset(jcomp, 0, sizeof *jcomp);
|
||||
jcomp->quality = v4l2_ctrl_g_ctrl(sd->jpegqual);
|
||||
jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT
|
||||
| V4L2_JPEG_MARKER_DQT;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/* sub-driver description */
|
||||
static const struct sd_desc sd_desc_sakar_57379 = {
|
||||
.name = MODULE_NAME,
|
||||
.config = sd_config,
|
||||
.init = sd_init,
|
||||
.start = sd_start,
|
||||
.stopN = sd_stopN,
|
||||
.pkt_scan = sd_pkt_scan,
|
||||
};
|
||||
|
||||
/* sub-driver description */
|
||||
static const struct sd_desc sd_desc_sportscam_dv15 = {
|
||||
.name = MODULE_NAME,
|
||||
.config = sd_config,
|
||||
.init = sd_init,
|
||||
.init_controls = sd_init_controls,
|
||||
.start = sd_start,
|
||||
.stopN = sd_stopN,
|
||||
.pkt_scan = sd_pkt_scan,
|
||||
.get_jcomp = sd_get_jcomp,
|
||||
.set_jcomp = sd_set_jcomp,
|
||||
};
|
||||
|
||||
static const struct sd_desc *sd_desc[2] = {
|
||||
&sd_desc_sakar_57379,
|
||||
&sd_desc_sportscam_dv15
|
||||
};
|
||||
|
||||
/* -- device connect -- */
|
||||
static int sd_probe(struct usb_interface *intf,
|
||||
const struct usb_device_id *id)
|
||||
{
|
||||
return gspca_dev_probe(intf, id,
|
||||
sd_desc[id->driver_info],
|
||||
sizeof(struct sd),
|
||||
THIS_MODULE);
|
||||
}
|
||||
|
||||
static struct usb_driver sd_driver = {
|
||||
.name = MODULE_NAME,
|
||||
.id_table = device_table,
|
||||
.probe = sd_probe,
|
||||
.disconnect = gspca_disconnect,
|
||||
#ifdef CONFIG_PM
|
||||
.suspend = gspca_suspend,
|
||||
.resume = gspca_resume,
|
||||
.reset_resume = gspca_resume,
|
||||
#endif
|
||||
};
|
||||
|
||||
module_usb_driver(sd_driver);
|
||||
Loading…
Add table
Add a link
Reference in a new issue